omountjoy omountjoy

18-04-2020
Mathematics

contestada

Find all values of k that result in the following system only having one answer:
2x+y=7
y-kx=3
(no explanation needed)

Respuesta :

19-04-2020

Step-by-step explanation:

( 2x + y) - ( y + kx) = 7+3

2x + kx = 10

Taking x as common

2 + k = 10

K = 10 / 2 =5

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